How do I reset payment terms for all customers (or by customer type)? I have set the default but it doesn't override the payment terms already in the customer account.

Thanks for reaching out to the Community, accounting-betag.

In QuickBooks Online, users can add, edit, and inactivate the terms that have been set up. However, editing a payment term by batch is unavailable. I acknowledge how helpful this feature can be in simplifying your accounting process.

While this option is unavailable, I recommend sharing your ideas directly with our product engineers. They conduct comprehensive reviews of customer suggestions when evaluating new features for implementation.

Here's how:

1. Go to the Gear icon at the top.
2. Select Feedback.
3. Enter your comments or product suggestions. Then select Next to submit feedback.

I'll share this article to learn details about adjusting invoice payment terms: How to Adjust Invoice Payment Terms in QuickBooks Online.

Moreover, you can explore the following article on organizing your sales forms in QuickBooks:  Customize invoices, estimates, and sales receipts in QuickBooks Online.

Let me know if you have any further questions about the payment terms. I'll be available to help.